Pipe-grip



D. E. NORRIS.

PIPE GRIP.

APPLICATION FILED MAR. 3!, 19m.

1,341,147. mummy 25,1920.

avwentoz airman,

UNITED STATES PATENT OFFICE.

DANIEL E. NORRIS, OF ROBINSON, ILLINOIS, ASSIGNOR 0F ONE-HALF T0 FRANK I-I. NORRIS, 0F ROBINSON, ILLINOIS.

PIPE-GRIP.

Specification of Letters Patent.

Patented May 25, 1920.

Application filed March 31, 1919. Serial No. 286,232.

To all whom it may concern Be it known that I, DANIEL E. Nonnrs, a citizen of the United States, residing at Robinson, county of Crawford, and State of Illinois, have invented new and useful Improvements in Pi e-Grips, of which the following is a speci cation.

Pipe grips of this character are used in connection with a rope for securing them to the pipe and for securing the lever by which the turning of the pipe is accomplished.

The invention is illustrated in the accompanying drawings as follows 2- Figure 1 shows an elevation of the device in place on a pipe.

Fig. 2 an elevation of the grip, partly in section, showing the removable die.

Fig. 3 a face view of the grip.

Fig. 4 a side elevation of the grip with a different size pipe from that shown in Fig. 1, showing the manner in which the grip accommodates itself to different sizes of 1 e. 1 marks the pipe. The grip 2 is formed of the sections 3 and 4. These are pivotally connected by means of a pin 6, the section 3 having a forked end into which the joint projection on the part 2 extends so as to make a perfect joint.

The sections are provided with the dies 6 and 7, these dies providing the gripping surface for engaging the pipe. The dies are preferably removable and are provided with projections 8 which extend into sockets 9 in the faces of the sections 3 and 4t and pins 10 extend thro -h the sections and through the projections 8, thus securing the dies to the sections.

The section 3 has a loop 11 through which a rope 12 is attached and the section 4 has a hook 13 over which the rope is hooked, the rope terminating in a loop 1a through which the lever 15 is placed for exerting pressure to effect the turning movement of the pipe and for drawing the sections into gripping engagement with the pipe.

By pivoting the sections the grippin surfaces accommodate themselves perfectly to a great variety of sizes of pipe and consequently varying sizes of grips are not required, thus enlarging the utility of a single tool and reducing the stock that is necessary to be carried by dealers. Further the grip ping surface is more efficient on most sizes of pipe on which it will operate than a rigid gri I5 arranging the loop and hook 18 at the extreme ends of the sections the engaging surfaces operate against the pipe at points intermediate the loop and hook and the pivot 5. Consequently the leverage is thus effected increasing the engaging force against the pipe.

lVhat I claim as new is 1. A. pipe grip comprising sections piv otally secured together and having pipe engaging surfaces, the grip being provided at one end of one of the sections with means for securing a flexible pipe encircling element and at the end of the other section with a hook over which the element may he placed, whereby pressure is exerted on the ends of the sections thus forcing the engag in g surfaces into engagement with the leverage of the sections operating on the pivot as a fulcrum.

2. A pipe grip comprising sections pivotally secured together, each section having a die se uring socket; dies with engaging surfaces and. with projections extending into the sockets; and pins extending through the die sections and said projections for securing the dies in place on the grip sec tions, the grip being provided .at one end with means for securing a flexible pipe encircling element and at the other end with a hook over which the element may be placed.

In testimony whereof I have hereunto set my hand.

DANIEL E. NORRIS. 

